Mature cystic ovarian teratoma without intracystic fat: Case report with the “fat within the wall” sign

AlGhamdi, Maram; Almutairi, Badr; Alosaimi, Abdulaziz; Felemban, Afaf; AlYahya, Mauth

doi:10.1016/j.radcr.2020.01.011

Cited by 7 publications

(9 citation statements)

References 13 publications

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“…Post-contrast images are useful to further depict the extent of peritonitis and ascites fluid (Figure 7). Table 2 summarizes the literature review related to previously published cases of lipid-poor dermoid [9,14,16]. This case study emphasizes the importance of a multimodality approach to complex pelvic masses that present with pelvic pain.…”

Section: Discussionmentioning

confidence: 96%

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Peritonitis From Ruptured Lipid-Poor Dermoid: Struma Ovarii

Vulasala¹,

Singareddy²,

Gopireddy³

et al. 2021

Cureus

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Mature cystic teratoma (MCT) is a common benign ovarian germ cell tumor. It is more predominantly seen in premenopausal women and contains at least two or more well-differentiated germ cell layers. It is termed a dermoid cyst if the ectodermal tissue is the predominant component. The complications of a dermoid cyst include torsion, malignant degeneration, rupture, and infection. The incidence of a ruptured dermoid cyst is around 1%-2% resulting in chemical aseptic peritonitis from spillage of the cyst contents. Usual clinical presentation is with diffuse abdominal or pelvic pain and abdominal distension. Around 93-96% of dermoid cysts demonstrate fat in the cyst cavity however, minimal or no fat poses diagnostic challenges. In this case, we discuss a rare case of spontaneously ruptured lipid-poor and thyroid tissue-rich left ovarian dermoid presenting with chemical peritonitis. Special magnetic resonance (MR) Imaging sequences such as fat saturation imaging, chemical shift imaging, and gradient-echo imaging assist in detecting scant amounts of fat in the cyst cavity or cyst wall.

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Section: Discussionmentioning

confidence: 96%

Section: Discussionmentioning

confidence: 99%

Peritonitis From Ruptured Lipid-Poor Dermoid: Struma Ovarii

Vulasala¹,

Singareddy²,

Gopireddy³

et al. 2021

Cureus

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“…It is currently considered that atypical ultrasound features, such as the lack of intracystic fat components or the detection of fat components in atypical locations of the cyst (only within the cyst wall) should be taken seriously in the diagnostic approach to mature cystic ovarian teratomas. The above is a requirement before mature cystic teratomas can be excluded from the differential diagnosis of other ovarian masses [ 11 ].…”

Section: Discussionmentioning

confidence: 99%

Adnexal Torsion of a Mature Cystic Ovarian Teratoma With Hemorrhagic Infarction Misdiagnosed As Pelvic Inflammatory Disease in a Perimenopausal Patient: A Case Report

Thanasa¹,

Thanasa²,

Xydias³

et al. 2023

Cureus

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Mature cystic teratomas are common benign ovarian tumors. They usually occur in young women, less than 40 years old. Our case report concerns a patient of perimenopausal age who came to the hospital complaining about mild abdominal pain, fever below 37.8°C, and diarrhea. The patient had an intrauterine contraceptive device inserted. Based on the clinical findings and imaging, a possible diagnosis of pelvic inflammatory disease was set, and intravenous administration of broad-spectrum antibiotics started immediately. The decision for performing laparotomy was taken after the fact that the clinical condition and blood tests of the patient had shown no improvement. Intraoperatively, the presence of a large twisted ovarian mass with signs of total necrosis due to adnexal torsion was detected. A histological examination of the surgical specimen confirmed the diagnosis of mature cystic teratoma in the right ovary. The postoperative course was uneventful. The presentation of the case follows a brief literature review of this rare medical condition regarding the diagnostic and therapeutic approach of these patients.

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“…Mature cystic teratoma is a commonly encountered ovarian tumour, constituting 20% of all ovarian tumours in adults and 50% of all ovarian tumours in children. 11 Mature cystic teratomas are composed of well-differentiated derivations of the three germ cell layers (ectoderm, mesoderm and endoderm).…”

Section: Discussionmentioning

confidence: 99%

A rare case of collision tumour of the ovary complicated by torsion

et al. 2021

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Collision tumour is the coexistence of two adjacent, but histologically distinct tumours without histologic admixture. Collision tumours are rare in the ovary. It is mostly a histopathological diagnosis often missed in preoperative imaging. The radiologist, gynaecologists and pathologists should be aware of such a combination of tumours to avoid misdiagnosis. We describe the finding of a rare collision tumour, mature cystic teratoma and ovarian fibroma complicated by torsion.

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Mature cystic ovarian teratoma without intracystic fat: Case report with the “fat within the wall” sign

Cited by 7 publications

References 13 publications

Peritonitis From Ruptured Lipid-Poor Dermoid: Struma Ovarii

Peritonitis From Ruptured Lipid-Poor Dermoid: Struma Ovarii

Adnexal Torsion of a Mature Cystic Ovarian Teratoma With Hemorrhagic Infarction Misdiagnosed As Pelvic Inflammatory Disease in a Perimenopausal Patient: A Case Report

A rare case of collision tumour of the ovary complicated by torsion

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